Changeset 2497 in vbox for trunk/Config.kmk

Timestamp:

May 4, 2007 3:10:51 PM (18 years ago)

Author:

vboxsync

Message:

disable -fvisibility stuff for gcc < 4

File:

• trunk/Config.kmk (modified) (3 diffs)

trunk/Config.kmk

@@ -830 +830 @@
    else echo "$(2)"; fi; )
 
+VBOX_GCC_VERSION = $(shell \
+   echo "$$((`$(1) -dumpversion | sed 's|\([0-9]\)\.\([0-9]\)\.\([0-9]\)|10000 * \1 + 100 * \2 + \3|'`))")
+
 # No $(QUIET) here as it's interesting to see what goes into the file.
 $(PATH_OUT)/GCCConfig.kmk: $(PATH_ROOT)/Config.kmk $(LOCALCFG) $(AUTOCFG)
@@ -837 +840 @@
 
         @# HC compiler switch detction.
+        $(APPEND) "$@" "VBOX_GCC_VERSION_CC            ?= $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC_TOOL)_CC))"
+        $(APPEND) "$@" "VBOX_GCC_VERSION_CXX           ?= $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC_TOOL)_CXX))"
+        $(APPEND) "$@" "VBOX_GCC32_VERSION_CC          ?= $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC32_TOOL)_CC))"
+        $(APPEND) "$@" "VBOX_GCC32_VERSION_CXX         ?= $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC32_TOOL)_CXX))"
         $(APPEND) "$@" "VBOX_GCC_LIBGCC                ?= $(shell $(TOOL_$(VBOX_GCC_TOOL)_CC) -print-libgcc-file-name)"
         $(APPEND) "$@" "VBOX_GCC_Wno-pointer-sign      ?= $(call VBOX_GCC_CHECK_CC,-Wno-pointer-sign,)"
@@ -844 +851 @@
         $(APPEND) "$@" "VBOX_GCC_fno-stack-protector   ?= $(call VBOX_GCC_CHECK_CC,-fno-stack-protector,)"
         @# Set default attribute for ELF and MACH-O symbols to ``hidden'' to reduce the number
-        @# of relocation entries and PLT indirections in shared libraries.
-        $(APPEND) "$@" "VBOX_GCC_fvisibility-hidden    ?= $(call VBOX_GCC_CHECK_CC,-fvisibility=hidden -DVBOX_HAVE_VISIBILITY_HIDDEN,)"
+        @# of relocation entries and PLT indirections in shared libraries. Don't allow for gcc version < 4.
+        $(APPEND) "$@" "VBOX_GCC_fvisibility-hidden    ?= $(if $(shell \
+          [ $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC_TOOL)_CC)) -ge 40000 ] && echo 'ok'),$(call \
+            VBOX_GCC_CHECK_CC,-fvisibility=hidden -DVBOX_HAVE_VISIBILITY_HIDDEN,),)"
         @# Set default attribute for inline functions to ``hidden'' to reduce the number
-        @# of relocation entries and PLT indirections in shared libraries.
-        $(APPEND) "$@" "VBOX_GCC_fvisibility-inlines-hidden ?= $(call VBOX_GCC_CHECK_CXX,-fvisibility-inlines-hidden,)"
+        @# of relocation entries and PLT indirections in shared libraries. Don't allow for gcc version < 4.
+        $(APPEND) "$@" "VBOX_GCC_fvisibility-inlines-hidden ?= $(if $(shell \
+          [ $(call VBOX_GCC_VERSION,$(TOOL_$(VBOX_GCC_TOOL)_CC)) -ge 40000 ] && echo 'ok'),$(call \
+            VBOX_GCC_CHECK_CXX,-fvisibility-inlines-hidden,),)"
         @# Find the compiler includes for IPRT no-crt.
         $(APPEND) "$@" "VBOX_PATH_GCC_INCS             ?= $(abspath $(dir $(shell LC_ALL=C $(TOOL_$(VBOX_GCC_TOOL)_CC) -print-libgcc-file-name)))/include"